governor brown's tax measure. he hopes it will win approval for prop 32. venture capitalist has spent $29 million of his own money for green energy project spelled out in his proposition 39. mercury insurance founder george joseph has pumped $16 million into prop 33 which changes how car insurance rates are calculated. u.s. supreme court says it's okay to give unlimited amounts of money to ballot measures. >> i think it's telling voters that the initiative process isn't for everyone. when you see wealthy people putting in giants sums of money, it's unprecedented. >> we work for charles muncer. >> common cause took a lot of money from charles munger because it couldn't get government reform through the legislature. the group says someone has to pay for all those ads. >> to qualify a ballot measure takes time and energy and money. to gather the signatures needed and required by the constitution. >> money doesn't always win. voter foundational says they only approve of third nistsd because it's harder to convince people to vote yes. >> you can buy your way on